107 lines
3.7 KiB
C++
107 lines
3.7 KiB
C++
/*
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* ESPRESSIF MIT License
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*
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* Copyright (c) 2021 <ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD>
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*
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* Permission is hereby granted for use on all ESPRESSIF SYSTEMS products, in which case,
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* it is free of charge, to any person obtaining a copy of this software and associated
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* documentation files (the "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the Software is furnished
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* to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or
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* substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifdef ESP32
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#include <Wire.h>
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#include <freertos/FreeRTOS.h>
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#include "string.h"
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#include "esp_log.h"
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#include "rom/ets_sys.h"
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#include "es7243e.h"
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static const char *TAG = "DRV7243E";
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static TwoWire *es7243e_wire;
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static esp_err_t es7243e_write_reg(uint8_t reg_addr, uint8_t data)
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{
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//return i2c_bus_write_byte(i2c_handle, reg_addr, data);
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es7243e_wire->beginTransmission(ES7243_ADDR);
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es7243e_wire->write(reg_addr);
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es7243e_wire->write(data);
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es7243e_wire->endTransmission();
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return 0;
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}
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esp_err_t es7243e_adc_init(TwoWire *tw, audio_hal_codec_config_t *codec_cfg)
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{
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esp_err_t ret = ESP_OK;
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es7243e_wire = tw;
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ret |= es7243e_write_reg(0x01, 0x3A);
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ret |= es7243e_write_reg(0x00, 0x80);
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ret |= es7243e_write_reg(0xF9, 0x00);
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ret |= es7243e_write_reg(0x04, 0x02);
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ret |= es7243e_write_reg(0x04, 0x01);
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ret |= es7243e_write_reg(0xF9, 0x01);
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ret |= es7243e_write_reg(0x00, 0x1E);
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ret |= es7243e_write_reg(0x01, 0x00);
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ret |= es7243e_write_reg(0x02, 0x00);
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ret |= es7243e_write_reg(0x03, 0x20);
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ret |= es7243e_write_reg(0x04, 0x01);
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ret |= es7243e_write_reg(0x0D, 0x00);
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ret |= es7243e_write_reg(0x05, 0x00);
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ret |= es7243e_write_reg(0x06, 0x03); // SCLK=MCLK/4
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ret |= es7243e_write_reg(0x07, 0x00); // LRCK=MCLK/256
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ret |= es7243e_write_reg(0x08, 0xFF); // LRCK=MCLK/256
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ret |= es7243e_write_reg(0x09, 0xCA);
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ret |= es7243e_write_reg(0x0A, 0x85);
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ret |= es7243e_write_reg(0x0B, 0x00);
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ret |= es7243e_write_reg(0x0E, 0xBF);
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ret |= es7243e_write_reg(0x0F, 0x80);
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ret |= es7243e_write_reg(0x14, 0x0C);
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ret |= es7243e_write_reg(0x15, 0x0C);
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ret |= es7243e_write_reg(0x17, 0x02);
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ret |= es7243e_write_reg(0x18, 0x26);
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ret |= es7243e_write_reg(0x19, 0x77);
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ret |= es7243e_write_reg(0x1A, 0xF4);
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ret |= es7243e_write_reg(0x1B, 0x66);
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ret |= es7243e_write_reg(0x1C, 0x44);
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ret |= es7243e_write_reg(0x1E, 0x00);
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ret |= es7243e_write_reg(0x1F, 0x0C);
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ret |= es7243e_write_reg(0x20, 0x1E); //PGA gain +30dB
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ret |= es7243e_write_reg(0x21, 0x1E); //PGA gain +30dB
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ret |= es7243e_write_reg(0x00, 0x80); //Slave Mode
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ret |= es7243e_write_reg(0x01, 0x3A);
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ret |= es7243e_write_reg(0x16, 0x3F);
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ret |= es7243e_write_reg(0x16, 0x00);
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if (ret) {
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ESP_LOGE(TAG, "Es7243e initialize failed!");
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return ESP_FAIL;
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}
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return ret;
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}
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void es7243e_setgain(uint8_t gain) {
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uint8_t gaintab[8] = {0x10, 0x12, 0x20, 0x22, 0x04, 0x40, 0x06, 0x42};
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es7243e_write_reg(0x08, gaintab[gain & 7] | 0x09);
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}
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#endif
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